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Cheap Flights from St Louis to Frankfurt am Main

Compare St Louis to Frankfurt am Main flight deals

Find the cheapest month or even day of the year to fly to Frankfurt am Main

Book the best Frankfurt am Main fare with no extra fees

Flight deals from St Louis to Frankfurt am Main

Looking for a cheap last-minute deal or the best return flight from St Louis Airport to Frankfurt am Main Airport? If you want to travel next month, return fares start from R 13,365. Find the lowest prices on one-way and return tickets right here.
Frankfurt.R 5,215 per passenger.Departing Mon, 24 Aug.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Mon, 24 Aug, arriving in Frankfurt am Main.Price includes taxes and charges.From R 5,215, select.
Frankfurt.R 5,250 per passenger.Departing Wed, 30 Sep.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Wed, 30 Sep, arriving in Frankfurt am Main.Price includes taxes and charges.From R 5,250, select.
Frankfurt.R 5,408 per passenger.Departing Tue, 13 Oct.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Tue, 13 Oct, arriving in Frankfurt am Main.Price includes taxes and charges.From R 5,408, select.
Frankfurt.R 5,704 per passenger.Departing Wed, 4 Nov.One-way flight with Iberia.Outbound indirect flight with Iberia, departs from St Louis on Wed, 4 Nov, arriving in Frankfurt am Main.Price includes taxes and charges.From R 5,704, select.
Frankfurt.R 6,484 per passenger.Departing Thu, 21 Jan.One-way flight with American Airlines.Outbound indirect flight with American Airlines, departs from St Louis on Thu, 21 Jan, arriving in Frankfurt am Main.Price includes taxes and charges.From R 6,484, select.
Frankfurt.R 7,395 per passenger.Departing Tue, 22 Jun.One-way flight with British Airways.Outbound indirect flight with British Airways, departs from St Louis on Tue, 22 Jun, arriving in Frankfurt am Main.Price includes taxes and charges.From R 7,395, select.
Frankfurt.R 8,498 per passenger.Departing Fri, 4 Dec.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Fri, 4 Dec, arriving in Frankfurt am Main.Price includes taxes and charges.From R 8,498, select.
Frankfurt.R 8,993 per passenger.Departing Mon, 27 Jul.One-way flight with Frontier Airlines.Outbound indirect flight with Frontier Airlines, departs from St Louis on Mon, 27 Jul, arriving in Frankfurt am Main.Price includes taxes and charges.From R 8,993, select.
Frankfurt.R 9,639 per passenger.Departing Wed, 4 Nov.One-way flight with United.Outbound direct flight with United departs from St Louis on Wed, 4 Nov, arriving in Frankfurt am Main.Price includes taxes and charges.From R 9,639, select.
Frankfurt.R 9,769 per passenger.Departing Sat, 1 May.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from St Louis on Sat, 1 May, arriving in Frankfurt am Main.Price includes taxes and charges.From R 9,769, select.
Frankfurt.R 10,091 per passenger.Departing Wed, 30 Sep.One-way flight with United.Outbound direct flight with United departs from St Louis on Wed, 30 Sep, arriving in Frankfurt am Main.Price includes taxes and charges.From R 10,091, select.
Frankfurt.R 10,940 per passenger.Departing Thu, 11 Mar.One-way flight with Alaska Airlines.Outbound indirect flight with Alaska Airlines, departs from St Louis on Thu, 11 Mar, arriving in Frankfurt am Main.Price includes taxes and charges.From R 10,940, select.
Frankfurt.R 11,281 per passenger.Departing Fri, 30 Oct.One-way flight with United.Outbound direct flight with United departs from St Louis on Fri, 30 Oct, arriving in Frankfurt am Main.Price includes taxes and charges.From R 11,281, select.
Frankfurt.R 11,283 per passenger.Departing Fri, 4 Dec.One-way flight with United.Outbound direct flight with United departs from St Louis on Fri, 4 Dec, arriving in Frankfurt am Main.Price includes taxes and charges.From R 11,283, select.
Frankfurt.R 12,771 per passenger.Departing Mon, 31 Aug.One-way flight with United.Outbound direct flight with United departs from St Louis on Mon, 31 Aug, arriving in Frankfurt am Main.Price includes taxes and charges.From R 12,771, select.
Frankfurt.R 14,567 per passenger.Departing Fri, 15 Jan.One-way flight with United.Outbound direct flight with United departs from St Louis on Fri, 15 Jan, arriving in Frankfurt am Main.Price includes taxes and charges.From R 14,567, select.

Find the cheapest month to fly from St Louis to Frankfurt am Main

We’re always keeping an eye on fares, so you can find the best one in seconds. It looks like St Louis to Frankfurt am Main flights are currently cheapest in August.
Jul
from R 8,993
Aug
from R 5,215
Sep
from R 5,250
Oct
from R 5,408
Nov
from R 5,704
Dec
from R 8,498
Jan
from R 6,484
Feb
Find prices
Mar
from R 10,940
Apr
Find prices
May
from R 9,769
Jun
from R 7,395

St Louis to Frankfurt am Main: Alternative routes

Compare routes from St Louis to Frankfurt below. You may find an airport to fly into that's cheaper, faster, or easier than Frankfurt am Main.

Frankfurt am Main

12km from central Frankfurt
Closest
from R 5,215
Search flights

Mannheim

72km from central Frankfurt
from R 27,380
Search flights

Hahn

103km from central Frankfurt
Cheapest
from R 4,170
Search flights

St Louis to Frankfurt: Flight information

The things to know before you go.
Cheapest flight foundR 5,215
Cheapest month to flyAugust
Most popular airlineUnited
Average flights per week9

Finding cheap flights from St Louis to Frankfurt am Main: Frequently asked questions

The best price we found for a return flight from St Louis to Frankfurt am Main is R 13,209. This is an estimate based on information collected from different airlines and travel providers over the last 4 days and is subject to change and availability.
8 hours and 52 minutes is the average flight time from St Louis to Frankfurt am Main.
United and Lufthansa fly direct from St Louis to Frankfurt am Main.
As of July 2026, there are 9 flights per week flying from St Louis to Frankfurt am Main.
The cheapest month to fly from St Louis to Frankfurt am Main is usually October.
After crunching the numbers on our flight calendar, we found that it's currently cheapest to fly from St Louis Airport to Frankfurt am Main Airport on Wednesday, 21 October 2026.
Yes – the average flight time is 8 hours and 52 minutes.
We show every price from over 1,200 airlines and travel agents, comparing them all so you don’t have to. If you know you want to fly to Frankfurt am Main but you’re not ready to book, set up a Price Alert. We’ll track prices for you, and let you know when they rise or fall.

We crunched all the numbers in our flight calendar and it looks like the cheapest time to book a flight to Frankfurt is around 40 days in advance, so don’t leave your flight to the last minute.

Currently, Frontier Airlines and Lufthansa offer the cheapest flight tickets to Frankfurt am Main.

Travelling from St Louis Airport (STL) to Frankfurt am Main Airport (FRA): what you need to know

  • Take a direct flight from St Louis Airport to Frankfurt am Main Airport and you'll be travelling for an average of 8 hours 50 minutes.

  • The timezone in Frankfurt is UTC+1, which is seven hours ahead of St Louis.

  • Every week, there are four St Louis Airport to Frankfurt am Main Airport flights. If you prefer to take off early, select the 15:30 Lufthansa flight. If you'd rather make the most of your time before you fly, the latest flight is at 16:45 with Lufthansa.

  • Arriving two hours before an international flight and one hour ahead of a domestic departure are golden rules for hassle-free flying. Be at the airport on time to catch your STL to FRA flight.

  • Travelling during a peak month like July? Public holidays and other high seasons can mean longer queues and delays at airport checkpoints. Play it safe and arrive up to four hours before an international flight and two hours before domestic departures.

  • Getting to Frankfurt (and then discovering more of Germany!) is easy with Lufthansa. This popular carrier offers direct flights from St Louis Airport to Frankfurt am Main Airport.

  • Most passengers choose to travel with Lufthansa on this route.

  • The carrier with the most reliable on-time arrival rate for STL to FRA flights is Lufthansa.

  • If you'd like to break up your flight, simply uncheck 'Direct flights only' when searching for your ticket from St Louis Airport to Frankfurt am Main Airport. Here are the top stopovers between STL and FRA:

    • Chicago O'Hare International Airport

    • Boston Logan International Airport

    • Detroit Wayne County Airport

How to find the cheapest flights from St Louis Airport (STL) to Frankfurt am Main Airport (FRA)

  • Currently, R 5,215 is the cheapest price we've found for a one-way St Louis Airport to Frankfurt am Main Airport flight. The best price for a return plane ticket is R 13,209. Remember that fares could change due to availability at the time of booking.

  • It's usually smart to book early if you want to find cheap tickets from STL to FRA. That's because airlines adjust prices based on demand, which tends to increase closer to the date of departure.

  • Organise your trip for May. That's the cheapest month for flights from St Louis Airport to Frankfurt am Main Airport. If you're flexible with your travel dates, try out the 'Whole month' tool to find the lowest airfare across each month.

  • There's no need to check back in every day to find out if fares have gone down when you create a Price Alert. We'll let you know as soon as there's a better deal on cheap flights from STL to FRA.

  • Find the right flight for you by using the filters. To see the 'Best,' 'Cheapest' or 'Fastest' flights from St Louis Airport to Frankfurt am Main Airport, use the 'Sort by' tool. You can also filter results by departure and arrival times, airline, and journey duration.

Handy information about St Louis Airport (STL)

Arriving at Frankfurt am Main Airport (FRA)

When to fly to Frankfurt am Main Airport (FRA)

  • September is the most popular month for flights from St Louis Airport to Frankfurt am Main Airport. For a quieter experience, go to Frankfurt in March.

  • When reserving your flight from St Louis Airport to Frankfurt am Main Airport, think about the type of weather you enjoy. August is the warmest month in Frankfurt, with the temperature ranging from 12ºC (54ºF) to 29ºC (84ºF).

  • January has average temperatures of between -4ºC (25ºF) and 7ºC (45ºF). Look for cheap tickets from STL to FRA around that time if you'd rather travel in cooler conditions.

Explore more of Germany

  • Berlin is just one of the many places in Germany waiting to be discovered once you've seen the sights of Frankfurt. Around 418 kilometres away to the north-east, its best attractions include Brandenburg Gate, Berlin Wall and Parliament Building.

  • If you're interested in discovering another great destination in Germany, head for Hamburg, roughly 386 kilometres north of Frankfurt. Miniatur Wunderland, Elbphilharmonie Hamburg and Port of Hamburg are the start of reasons to visit.

Plan the rest of your trip from St Louis to Frankfurt

Prices shown on this page are estimated lowest prices only. Found in the last 12 days.